156980403860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1121288599}}^1$

素因数の和:1121288615

約数の個数: 24

約数和(自身を含む): 376752969600

約数和(自身を除く): 219772565740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1121288599, 2242577198, 4485154396, 5606442995, 7849020193, 11212885990, 15698040386, 22425771980, 31396080772, 39245100965, 78490201930, 156980403860]

約数ペア:

[(1, 156980403860), (2, 78490201930), (4, 39245100965), (5, 31396080772), (7, 22425771980), (10, 15698040386), (14, 11212885990), (20, 7849020193), (28, 5606442995), (35, 4485154396), (70, 2242577198), (140, 1121288599)]